Rocks and Minerals

Collecting Rocks

USGS informative article on rocks.

Gem Guides Book Company

Publishes data about rocks, minerals, gemstones, geology, fossils, dinosaurs, gem trails, rock collecting, jewelry crafts, and more.

John F. Rakovan – Geology Professor

Specializes in environmentally significant processes such as crystal growth, metal sorption, trace element partitioning and other surface mediated reactions.

Mineral Resources Program

Features funds for information related to mineral resources in Eastern, Central, and Western America.

Minerals of the United States

Searchable picture gallery of minerals in every state in the U.S.

Perlite

Provides information on the siliceous rock and its various applications.

YupRocks

Source for rock and mineral photography.

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